254783281966 has 32 divisors (see below), whose sum is σ = 386423301888. Its totient is φ = 125985699840.

The previous prime is 254783281903. The next prime is 254783281967. The reversal of 254783281966 is 669182387452.

254783281966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254783281967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48042471 + ... + 48047773.

It is an arithmetic number, because the mean of its divisors is an integer number (12075728184).

Almost surely, 2^254783281966 is an apocalyptic number.

254783281966 is a deficient number, since it is larger than the sum of its proper divisors (131640019922).

254783281966 is a wasteful number, since it uses less digits than its factorization.

254783281966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6216.

The product of its digits is 34836480, while the sum is 61.

The spelling of 254783281966 in words is "two hundred fifty-four billion, seven hundred eighty-three million, two hundred eighty-one thousand, nine hundred sixty-six".